Update app.py

app.py

@@ -103,17 +103,18 @@ def load_recommender(paths, start_page=1):
     recommender.fit(chunks)
     return 'Corpus Loaded.'
 
-def generate_text(prompt, engine='gpt-3.5-turbo', max_tokens=2050, temperature=0.8):
-     response = openai.ChatCompletion.create(
+def generate_text(prompt, engine='gpt-3.5-turbo', max_tokens=2048, temperature=0.8):
+    response = openai.ChatCompletion.create(
         model=engine,
-        messages=[{"role": "system", "content": "You are a research assistant"},
-              {"role": "user", "content": prompt}],
+        messages=[
+            {"role": "system", "content": "You are a research assistant"},
+            {"role": "user", "content": prompt}
+        ],
         max_tokens=max_tokens,
-        n=1,
         temperature=temperature
-        )
-        return response.choices[0].message['content']
-    return None
+    )
+    return response.choices[0].message['content']
+
 
 def generate_answer(question):
     topn_chunks = recommender(question)